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Finding the Fourth Proportional to 1,200.10, 1,799.44 and 468.82

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Solution

The fourth proportional to 1,200.10, 1,799.44 and 468.82 is: 702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200.10 : 1,799.44 = 468.82 : x
  2. Step 2: Convert to fraction form
    1,200.10/1,799.44 = 468.82/x
  3. Step 3: Cross multiply
    1,200.10x = 1,799.44 × 468.82
  4. Step 4: Simplify right side
    1,200.10x = 843,613.46
  5. Step 5: Solve for x
    x = 843,613.46/1,200.10
  6. Step 6: Final answer
    x = 702.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.